There are very few fashion insider "secrets" these days. Isabel Marant, COS, and Maje are all brands that flew far under the radar for many years before being exposed by the internet as the next Greatest Brand in the World. And that's probably a good thing: the more democratic and open fashion becomes, the better dressed we all will be.
The next label poised to receive that sort of sensational attention is Sacai, the Japanese brand designed by Chitose Abe.